Extremely scary horror films on Netflix or Sky?

Can someone recommend extremely scary horror films with a lot of jumpscares? It would be very good if the films were on Netflix or sky.

A serbian film

Something is not right.
Horror films with a lot of jumpscares are not scary, but mostly ridiculous, since jumpscare is the cheapest horror stylistic device.

Give it a try

Autopsy Of Jane Doe
Dead Silence

both are currently online on Netflix.

Conjuring 1 + 2 The Ritual Don't breathe Insidious 1-3 Scary Stories to Tell in the Dark

Have I already looked at both, thank you anyway.